public class Example5_1{
	public static void main(String args[]){
		Student zhang = new Student();
		zhang.age =17;
		zhang.number =100101;
		zhang.showPeopleMess();
		zhang.tellNumber();
		int x =9,y=29;
		System.out.println("会做加法:");
		int result = zhang.add(x,y);
		System.out.printf("%d+%d=%d\n",x,y,result);
		UniverStudent geng = new UniverStudent();
		geng.age =21;
		geng.number = 6609;
		geng.showPeopleMess();
		geng.tellNumber();
		System.out.print("会做加法:");
		result=geng.add(x,y);
		System.out.printf("%d+%d=%d\n",x,y,result);
		System.out.print("会做乘法:");
		result=geng.multi(x,y);
		System.out.printf("%d×%d=%d\n",x,y,result);
	}
}
